Who owns CBK?

Could you please clarify who exactly owns CBK? Is it a private entity or a government institution? If it's private, can you provide details on the shareholders and their holdings? And if it's government-owned, which country or agency is responsible for its operations? Additionally, are there any regulatory bodies overseeing CBK's activities? It would be helpful to understand the ownership structure and regulatory framework of CBK for a better comprehension of its operations and responsibilities.